hid-core.c 50 KB

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  1. /*
  2. * USB HID support for Linux
  3. *
  4. * Copyright (c) 1999 Andreas Gal
  5. * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
  6. * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
  7. * Copyright (c) 2006-2007 Jiri Kosina
  8. */
  9. /*
  10. * This program is free software; you can redistribute it and/or modify it
  11. * under the terms of the GNU General Public License as published by the Free
  12. * Software Foundation; either version 2 of the License, or (at your option)
  13. * any later version.
  14. */
  15. #include <linux/module.h>
  16. #include <linux/slab.h>
  17. #include <linux/init.h>
  18. #include <linux/kernel.h>
  19. #include <linux/list.h>
  20. #include <linux/mm.h>
  21. #include <linux/smp_lock.h>
  22. #include <linux/spinlock.h>
  23. #include <asm/unaligned.h>
  24. #include <asm/byteorder.h>
  25. #include <linux/input.h>
  26. #include <linux/wait.h>
  27. #include <linux/usb.h>
  28. #include <linux/hid.h>
  29. #include <linux/hiddev.h>
  30. #include <linux/hid-debug.h>
  31. #include "usbhid.h"
  32. /*
  33. * Version Information
  34. */
  35. #define DRIVER_VERSION "v2.6"
  36. #define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik"
  37. #define DRIVER_DESC "USB HID core driver"
  38. #define DRIVER_LICENSE "GPL"
  39. static char *hid_types[] = {"Device", "Pointer", "Mouse", "Device", "Joystick",
  40. "Gamepad", "Keyboard", "Keypad", "Multi-Axis Controller"};
  41. /*
  42. * Module parameters.
  43. */
  44. static unsigned int hid_mousepoll_interval;
  45. module_param_named(mousepoll, hid_mousepoll_interval, uint, 0644);
  46. MODULE_PARM_DESC(mousepoll, "Polling interval of mice");
  47. #define USB_VENDOR_ID_A4TECH 0x09da
  48. #define USB_DEVICE_ID_A4TECH_WCP32PU 0x0006
  49. #define USB_VENDOR_ID_AASHIMA 0x06d6
  50. #define USB_DEVICE_ID_AASHIMA_GAMEPAD 0x0025
  51. #define USB_DEVICE_ID_AASHIMA_PREDATOR 0x0026
  52. #define USB_VENDOR_ID_ACECAD 0x0460
  53. #define USB_DEVICE_ID_ACECAD_FLAIR 0x0004
  54. #define USB_DEVICE_ID_ACECAD_302 0x0008
  55. #define USB_VENDOR_ID_AIPTEK 0x08ca
  56. #define USB_DEVICE_ID_AIPTEK_01 0x0001
  57. #define USB_DEVICE_ID_AIPTEK_10 0x0010
  58. #define USB_DEVICE_ID_AIPTEK_20 0x0020
  59. #define USB_DEVICE_ID_AIPTEK_21 0x0021
  60. #define USB_DEVICE_ID_AIPTEK_22 0x0022
  61. #define USB_DEVICE_ID_AIPTEK_23 0x0023
  62. #define USB_DEVICE_ID_AIPTEK_24 0x0024
  63. #define USB_VENDOR_ID_AIRCABLE 0x16CA
  64. #define USB_DEVICE_ID_AIRCABLE1 0x1502
  65. #define USB_VENDOR_ID_ALCOR 0x058f
  66. #define USB_DEVICE_ID_ALCOR_USBRS232 0x9720
  67. #define USB_VENDOR_ID_ALPS 0x0433
  68. #define USB_DEVICE_ID_IBM_GAMEPAD 0x1101
  69. #define USB_VENDOR_ID_APPLE 0x05ac
  70. #define USB_DEVICE_ID_APPLE_MIGHTYMOUSE 0x0304
  71. #define USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI 0x020e
  72. #define USB_DEVICE_ID_APPLE_FOUNTAIN_ISO 0x020f
  73. #define USB_DEVICE_ID_APPLE_GEYSER_ANSI 0x0214
  74. #define USB_DEVICE_ID_APPLE_GEYSER_ISO 0x0215
  75. #define USB_DEVICE_ID_APPLE_GEYSER_JIS 0x0216
  76. #define USB_DEVICE_ID_APPLE_GEYSER3_ANSI 0x0217
  77. #define USB_DEVICE_ID_APPLE_GEYSER3_ISO 0x0218
  78. #define USB_DEVICE_ID_APPLE_GEYSER3_JIS 0x0219
  79. #define USB_DEVICE_ID_APPLE_GEYSER4_ANSI 0x021a
  80. #define USB_DEVICE_ID_APPLE_GEYSER4_ISO 0x021b
  81. #define USB_DEVICE_ID_APPLE_GEYSER4_JIS 0x021c
  82. #define USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY 0x030a
  83. #define USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY 0x030b
  84. #define USB_DEVICE_ID_APPLE_IR 0x8240
  85. #define USB_VENDOR_ID_ATEN 0x0557
  86. #define USB_DEVICE_ID_ATEN_UC100KM 0x2004
  87. #define USB_DEVICE_ID_ATEN_CS124U 0x2202
  88. #define USB_DEVICE_ID_ATEN_2PORTKVM 0x2204
  89. #define USB_DEVICE_ID_ATEN_4PORTKVM 0x2205
  90. #define USB_DEVICE_ID_ATEN_4PORTKVMC 0x2208
  91. #define USB_VENDOR_ID_BELKIN 0x050d
  92. #define USB_DEVICE_ID_FLIP_KVM 0x3201
  93. #define USB_VENDOR_ID_BERKSHIRE 0x0c98
  94. #define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140
  95. #define USB_VENDOR_ID_CHERRY 0x046a
  96. #define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023
  97. #define USB_VENDOR_ID_CHIC 0x05fe
  98. #define USB_DEVICE_ID_CHIC_GAMEPAD 0x0014
  99. #define USB_VENDOR_ID_CIDC 0x1677
  100. #define USB_VENDOR_ID_CODEMERCS 0x07c0
  101. #define USB_DEVICE_ID_CODEMERCS_IOW_FIRST 0x1500
  102. #define USB_DEVICE_ID_CODEMERCS_IOW_LAST 0x15ff
  103. #define USB_VENDOR_ID_CYPRESS 0x04b4
  104. #define USB_DEVICE_ID_CYPRESS_MOUSE 0x0001
  105. #define USB_DEVICE_ID_CYPRESS_HIDCOM 0x5500
  106. #define USB_DEVICE_ID_CYPRESS_ULTRAMOUSE 0x7417
  107. #define USB_VENDOR_ID_DELL 0x413c
  108. #define USB_DEVICE_ID_DELL_W7658 0x2005
  109. #define USB_VENDOR_ID_DELORME 0x1163
  110. #define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100
  111. #define USB_DEVICE_ID_DELORME_EM_LT20 0x0200
  112. #define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f
  113. #define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100
  114. #define USB_VENDOR_ID_GLAB 0x06c2
  115. #define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038
  116. #define USB_DEVICE_ID_1_PHIDGETSERVO_30 0x0039
  117. #define USB_DEVICE_ID_0_0_4_IF_KIT 0x0040
  118. #define USB_DEVICE_ID_0_16_16_IF_KIT 0x0044
  119. #define USB_DEVICE_ID_8_8_8_IF_KIT 0x0045
  120. #define USB_DEVICE_ID_0_8_7_IF_KIT 0x0051
  121. #define USB_DEVICE_ID_0_8_8_IF_KIT 0x0053
  122. #define USB_DEVICE_ID_PHIDGET_MOTORCONTROL 0x0058
  123. #define USB_VENDOR_ID_GRIFFIN 0x077d
  124. #define USB_DEVICE_ID_POWERMATE 0x0410
  125. #define USB_DEVICE_ID_SOUNDKNOB 0x04AA
  126. #define USB_VENDOR_ID_GTCO 0x078c
  127. #define USB_DEVICE_ID_GTCO_90 0x0090
  128. #define USB_DEVICE_ID_GTCO_100 0x0100
  129. #define USB_DEVICE_ID_GTCO_101 0x0101
  130. #define USB_DEVICE_ID_GTCO_103 0x0103
  131. #define USB_DEVICE_ID_GTCO_104 0x0104
  132. #define USB_DEVICE_ID_GTCO_105 0x0105
  133. #define USB_DEVICE_ID_GTCO_106 0x0106
  134. #define USB_DEVICE_ID_GTCO_107 0x0107
  135. #define USB_DEVICE_ID_GTCO_108 0x0108
  136. #define USB_DEVICE_ID_GTCO_200 0x0200
  137. #define USB_DEVICE_ID_GTCO_201 0x0201
  138. #define USB_DEVICE_ID_GTCO_202 0x0202
  139. #define USB_DEVICE_ID_GTCO_203 0x0203
  140. #define USB_DEVICE_ID_GTCO_204 0x0204
  141. #define USB_DEVICE_ID_GTCO_205 0x0205
  142. #define USB_DEVICE_ID_GTCO_206 0x0206
  143. #define USB_DEVICE_ID_GTCO_207 0x0207
  144. #define USB_DEVICE_ID_GTCO_300 0x0300
  145. #define USB_DEVICE_ID_GTCO_301 0x0301
  146. #define USB_DEVICE_ID_GTCO_302 0x0302
  147. #define USB_DEVICE_ID_GTCO_303 0x0303
  148. #define USB_DEVICE_ID_GTCO_304 0x0304
  149. #define USB_DEVICE_ID_GTCO_305 0x0305
  150. #define USB_DEVICE_ID_GTCO_306 0x0306
  151. #define USB_DEVICE_ID_GTCO_307 0x0307
  152. #define USB_DEVICE_ID_GTCO_308 0x0308
  153. #define USB_DEVICE_ID_GTCO_309 0x0309
  154. #define USB_DEVICE_ID_GTCO_400 0x0400
  155. #define USB_DEVICE_ID_GTCO_401 0x0401
  156. #define USB_DEVICE_ID_GTCO_402 0x0402
  157. #define USB_DEVICE_ID_GTCO_403 0x0403
  158. #define USB_DEVICE_ID_GTCO_404 0x0404
  159. #define USB_DEVICE_ID_GTCO_405 0x0405
  160. #define USB_DEVICE_ID_GTCO_500 0x0500
  161. #define USB_DEVICE_ID_GTCO_501 0x0501
  162. #define USB_DEVICE_ID_GTCO_502 0x0502
  163. #define USB_DEVICE_ID_GTCO_503 0x0503
  164. #define USB_DEVICE_ID_GTCO_504 0x0504
  165. #define USB_DEVICE_ID_GTCO_1000 0x1000
  166. #define USB_DEVICE_ID_GTCO_1001 0x1001
  167. #define USB_DEVICE_ID_GTCO_1002 0x1002
  168. #define USB_DEVICE_ID_GTCO_1003 0x1003
  169. #define USB_DEVICE_ID_GTCO_1004 0x1004
  170. #define USB_DEVICE_ID_GTCO_1005 0x1005
  171. #define USB_DEVICE_ID_GTCO_1006 0x1006
  172. #define USB_VENDOR_ID_HAPP 0x078b
  173. #define USB_DEVICE_ID_UGCI_DRIVING 0x0010
  174. #define USB_DEVICE_ID_UGCI_FLYING 0x0020
  175. #define USB_DEVICE_ID_UGCI_FIGHTING 0x0030
  176. #define USB_VENDOR_ID_IMATION 0x0718
  177. #define USB_DEVICE_ID_DISC_STAKKA 0xd000
  178. #define USB_VENDOR_ID_KBGEAR 0x084e
  179. #define USB_DEVICE_ID_KBGEAR_JAMSTUDIO 0x1001
  180. #define USB_VENDOR_ID_LD 0x0f11
  181. #define USB_DEVICE_ID_LD_CASSY 0x1000
  182. #define USB_DEVICE_ID_LD_POCKETCASSY 0x1010
  183. #define USB_DEVICE_ID_LD_MOBILECASSY 0x1020
  184. #define USB_DEVICE_ID_LD_JWM 0x1080
  185. #define USB_DEVICE_ID_LD_DMMP 0x1081
  186. #define USB_DEVICE_ID_LD_UMIP 0x1090
  187. #define USB_DEVICE_ID_LD_XRAY1 0x1100
  188. #define USB_DEVICE_ID_LD_XRAY2 0x1101
  189. #define USB_DEVICE_ID_LD_VIDEOCOM 0x1200
  190. #define USB_DEVICE_ID_LD_COM3LAB 0x2000
  191. #define USB_DEVICE_ID_LD_TELEPORT 0x2010
  192. #define USB_DEVICE_ID_LD_NETWORKANALYSER 0x2020
  193. #define USB_DEVICE_ID_LD_POWERCONTROL 0x2030
  194. #define USB_DEVICE_ID_LD_MACHINETEST 0x2040
  195. #define USB_VENDOR_ID_LOGITECH 0x046d
  196. #define USB_DEVICE_ID_LOGITECH_RECEIVER 0xc101
  197. #define USB_DEVICE_ID_S510_RECEIVER 0xc50c
  198. #define USB_DEVICE_ID_S510_RECEIVER_2 0xc517
  199. #define USB_DEVICE_ID_MX3000_RECEIVER 0xc513
  200. #define USB_DEVICE_ID_DINOVO_EDGE 0xc714
  201. #define USB_VENDOR_ID_MCC 0x09db
  202. #define USB_DEVICE_ID_MCC_PMD1024LS 0x0076
  203. #define USB_DEVICE_ID_MCC_PMD1208LS 0x007a
  204. #define USB_VENDOR_ID_MGE 0x0463
  205. #define USB_DEVICE_ID_MGE_UPS 0xffff
  206. #define USB_DEVICE_ID_MGE_UPS1 0x0001
  207. #define USB_VENDOR_ID_NEC 0x073e
  208. #define USB_DEVICE_ID_NEC_USB_GAME_PAD 0x0301
  209. #define USB_VENDOR_ID_ONTRAK 0x0a07
  210. #define USB_DEVICE_ID_ONTRAK_ADU100 0x0064
  211. #define USB_VENDOR_ID_PANJIT 0x134c
  212. #define USB_VENDOR_ID_PANTHERLORD 0x0810
  213. #define USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK 0x0001
  214. #define USB_VENDOR_ID_SAITEK 0x06a3
  215. #define USB_DEVICE_ID_SAITEK_RUMBLEPAD 0xff17
  216. #define USB_VENDOR_ID_SONY 0x054c
  217. #define USB_DEVICE_ID_SONY_PS3_CONTROLLER 0x0268
  218. #define USB_VENDOR_ID_SUN 0x0430
  219. #define USB_DEVICE_ID_RARITAN_KVM_DONGLE 0xcdab
  220. #define USB_VENDOR_ID_TOPMAX 0x0663
  221. #define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103
  222. #define USB_VENDOR_ID_TURBOX 0x062a
  223. #define USB_DEVICE_ID_TURBOX_KEYBOARD 0x0201
  224. #define USB_VENDOR_ID_VERNIER 0x08f7
  225. #define USB_DEVICE_ID_VERNIER_LABPRO 0x0001
  226. #define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002
  227. #define USB_DEVICE_ID_VERNIER_SKIP 0x0003
  228. #define USB_DEVICE_ID_VERNIER_CYCLOPS 0x0004
  229. #define USB_VENDOR_ID_WACOM 0x056a
  230. #define USB_VENDOR_ID_WISEGROUP 0x0925
  231. #define USB_DEVICE_ID_1_PHIDGETSERVO_20 0x8101
  232. #define USB_DEVICE_ID_4_PHIDGETSERVO_20 0x8104
  233. #define USB_DEVICE_ID_8_8_4_IF_KIT 0x8201
  234. #define USB_DEVICE_ID_QUAD_USB_JOYPAD 0x8800
  235. #define USB_DEVICE_ID_DUAL_USB_JOYPAD 0x8866
  236. #define USB_VENDOR_ID_WISEGROUP_LTD 0x6677
  237. #define USB_DEVICE_ID_SMARTJOY_DUAL_PLUS 0x8802
  238. #define USB_VENDOR_ID_YEALINK 0x6993
  239. #define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K 0xb001
  240. /*
  241. * Alphabetically sorted blacklist by quirk type.
  242. */
  243. static const struct hid_blacklist {
  244. __u16 idVendor;
  245. __u16 idProduct;
  246. __u32 quirks;
  247. } hid_blacklist[] = {
  248. { USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK_7 },
  249. { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE, HID_QUIRK_2WHEEL_MOUSE_HACK_5 },
  250. { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER, HID_QUIRK_BAD_RELATIVE_KEYS },
  251. { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD },
  252. { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
  253. { USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD },
  254. { USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD },
  255. { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
  256. { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
  257. { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
  258. { USB_VENDOR_ID_NEC, USB_DEVICE_ID_NEC_USB_GAME_PAD, HID_QUIRK_BADPAD },
  259. { USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD },
  260. { USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD },
  261. { USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_CYMOTION },
  262. { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE, HID_QUIRK_DUPLICATE_USAGES },
  263. { USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM, HID_QUIRK_HIDDEV },
  264. { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01, HID_QUIRK_IGNORE },
  265. { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10, HID_QUIRK_IGNORE },
  266. { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20, HID_QUIRK_IGNORE },
  267. { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21, HID_QUIRK_IGNORE },
  268. { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22, HID_QUIRK_IGNORE },
  269. { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23, HID_QUIRK_IGNORE },
  270. { USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24, HID_QUIRK_IGNORE },
  271. { USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1, HID_QUIRK_IGNORE },
  272. { USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232, HID_QUIRK_IGNORE },
  273. { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IR, HID_QUIRK_IGNORE },
  274. { USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD, HID_QUIRK_IGNORE },
  275. { USB_VENDOR_ID_CIDC, 0x0103, HID_QUIRK_IGNORE },
  276. { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM, HID_QUIRK_IGNORE },
  277. { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE, HID_QUIRK_IGNORE },
  278. { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE, HID_QUIRK_IGNORE },
  279. { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20, HID_QUIRK_IGNORE },
  280. { USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5, HID_QUIRK_IGNORE },
  281. { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
  282. { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30, HID_QUIRK_IGNORE },
  283. { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT, HID_QUIRK_IGNORE },
  284. { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT, HID_QUIRK_IGNORE },
  285. { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT, HID_QUIRK_IGNORE },
  286. { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT, HID_QUIRK_IGNORE },
  287. { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT, HID_QUIRK_IGNORE },
  288. { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL, HID_QUIRK_IGNORE },
  289. { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE, HID_QUIRK_IGNORE },
  290. { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB, HID_QUIRK_IGNORE },
  291. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90, HID_QUIRK_IGNORE },
  292. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100, HID_QUIRK_IGNORE },
  293. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101, HID_QUIRK_IGNORE },
  294. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103, HID_QUIRK_IGNORE },
  295. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104, HID_QUIRK_IGNORE },
  296. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105, HID_QUIRK_IGNORE },
  297. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106, HID_QUIRK_IGNORE },
  298. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107, HID_QUIRK_IGNORE },
  299. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108, HID_QUIRK_IGNORE },
  300. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200, HID_QUIRK_IGNORE },
  301. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201, HID_QUIRK_IGNORE },
  302. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202, HID_QUIRK_IGNORE },
  303. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203, HID_QUIRK_IGNORE },
  304. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204, HID_QUIRK_IGNORE },
  305. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205, HID_QUIRK_IGNORE },
  306. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206, HID_QUIRK_IGNORE },
  307. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207, HID_QUIRK_IGNORE },
  308. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300, HID_QUIRK_IGNORE },
  309. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301, HID_QUIRK_IGNORE },
  310. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302, HID_QUIRK_IGNORE },
  311. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303, HID_QUIRK_IGNORE },
  312. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304, HID_QUIRK_IGNORE },
  313. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305, HID_QUIRK_IGNORE },
  314. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306, HID_QUIRK_IGNORE },
  315. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307, HID_QUIRK_IGNORE },
  316. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308, HID_QUIRK_IGNORE },
  317. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309, HID_QUIRK_IGNORE },
  318. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400, HID_QUIRK_IGNORE },
  319. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401, HID_QUIRK_IGNORE },
  320. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402, HID_QUIRK_IGNORE },
  321. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403, HID_QUIRK_IGNORE },
  322. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404, HID_QUIRK_IGNORE },
  323. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405, HID_QUIRK_IGNORE },
  324. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500, HID_QUIRK_IGNORE },
  325. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501, HID_QUIRK_IGNORE },
  326. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502, HID_QUIRK_IGNORE },
  327. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503, HID_QUIRK_IGNORE },
  328. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504, HID_QUIRK_IGNORE },
  329. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000, HID_QUIRK_IGNORE },
  330. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001, HID_QUIRK_IGNORE },
  331. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002, HID_QUIRK_IGNORE },
  332. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003, HID_QUIRK_IGNORE },
  333. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004, HID_QUIRK_IGNORE },
  334. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005, HID_QUIRK_IGNORE },
  335. { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006, HID_QUIRK_IGNORE },
  336. { USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA, HID_QUIRK_IGNORE },
  337. { USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO, HID_QUIRK_IGNORE },
  338. { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY, HID_QUIRK_IGNORE },
  339. { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY, HID_QUIRK_IGNORE },
  340. { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY, HID_QUIRK_IGNORE },
  341. { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM, HID_QUIRK_IGNORE },
  342. { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP, HID_QUIRK_IGNORE },
  343. { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP, HID_QUIRK_IGNORE },
  344. { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY1, HID_QUIRK_IGNORE },
  345. { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2, HID_QUIRK_IGNORE },
  346. { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM, HID_QUIRK_IGNORE },
  347. { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB, HID_QUIRK_IGNORE },
  348. { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT, HID_QUIRK_IGNORE },
  349. { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER, HID_QUIRK_IGNORE },
  350. { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL, HID_QUIRK_IGNORE },
  351. { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST, HID_QUIRK_IGNORE },
  352. { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS, HID_QUIRK_IGNORE },
  353. { USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS, HID_QUIRK_IGNORE },
  354. { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_IGNORE },
  355. { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1, HID_QUIRK_IGNORE },
  356. { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100, HID_QUIRK_IGNORE },
  357. { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20, HID_QUIRK_IGNORE },
  358. { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30, HID_QUIRK_IGNORE },
  359. { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100, HID_QUIRK_IGNORE },
  360. { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108, HID_QUIRK_IGNORE },
  361. { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118, HID_QUIRK_IGNORE },
  362. { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200, HID_QUIRK_IGNORE },
  363. { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300, HID_QUIRK_IGNORE },
  364. { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400, HID_QUIRK_IGNORE },
  365. { USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500, HID_QUIRK_IGNORE },
  366. { USB_VENDOR_ID_PANJIT, 0x0001, HID_QUIRK_IGNORE },
  367. { USB_VENDOR_ID_PANJIT, 0x0002, HID_QUIRK_IGNORE },
  368. { USB_VENDOR_ID_PANJIT, 0x0003, HID_QUIRK_IGNORE },
  369. { USB_VENDOR_ID_PANJIT, 0x0004, HID_QUIRK_IGNORE },
  370. { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO, HID_QUIRK_IGNORE },
  371. { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP, HID_QUIRK_IGNORE },
  372. { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP, HID_QUIRK_IGNORE },
  373. { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS, HID_QUIRK_IGNORE },
  374. { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
  375. { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
  376. { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT, HID_QUIRK_IGNORE },
  377. { USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K, HID_QUIRK_IGNORE },
  378. { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR, HID_QUIRK_IGNORE },
  379. { USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302, HID_QUIRK_IGNORE },
  380. { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER, HID_QUIRK_LOGITECH_DESCRIPTOR },
  381. { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER, HID_QUIRK_LOGITECH_DESCRIPTOR },
  382. { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2, HID_QUIRK_LOGITECH_DESCRIPTOR },
  383. { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE, HID_QUIRK_MIGHTYMOUSE | HID_QUIRK_INVERT_HWHEEL },
  384. { USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS },
  385. { USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER, HID_QUIRK_SONY_PS3_CONTROLLER },
  386. { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
  387. { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
  388. { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
  389. { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET },
  390. { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET },
  391. { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
  392. { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
  393. { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
  394. { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
  395. { USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
  396. { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
  397. { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
  398. { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
  399. { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
  400. { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
  401. { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
  402. { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
  403. { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
  404. { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
  405. { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
  406. { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
  407. { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
  408. { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_IGNORE_MOUSE },
  409. { USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658, HID_QUIRK_RESET_LEDS },
  410. { 0, 0 }
  411. };
  412. /*
  413. * Input submission and I/O error handler.
  414. */
  415. static void hid_io_error(struct hid_device *hid);
  416. /* Start up the input URB */
  417. static int hid_start_in(struct hid_device *hid)
  418. {
  419. unsigned long flags;
  420. int rc = 0;
  421. struct usbhid_device *usbhid = hid->driver_data;
  422. spin_lock_irqsave(&usbhid->inlock, flags);
  423. if (hid->open > 0 && !test_bit(HID_SUSPENDED, &usbhid->iofl) &&
  424. !test_and_set_bit(HID_IN_RUNNING, &usbhid->iofl)) {
  425. rc = usb_submit_urb(usbhid->urbin, GFP_ATOMIC);
  426. if (rc != 0)
  427. clear_bit(HID_IN_RUNNING, &usbhid->iofl);
  428. }
  429. spin_unlock_irqrestore(&usbhid->inlock, flags);
  430. return rc;
  431. }
  432. /* I/O retry timer routine */
  433. static void hid_retry_timeout(unsigned long _hid)
  434. {
  435. struct hid_device *hid = (struct hid_device *) _hid;
  436. struct usbhid_device *usbhid = hid->driver_data;
  437. dev_dbg(&usbhid->intf->dev, "retrying intr urb\n");
  438. if (hid_start_in(hid))
  439. hid_io_error(hid);
  440. }
  441. /* Workqueue routine to reset the device or clear a halt */
  442. static void hid_reset(struct work_struct *work)
  443. {
  444. struct usbhid_device *usbhid =
  445. container_of(work, struct usbhid_device, reset_work);
  446. struct hid_device *hid = usbhid->hid;
  447. int rc_lock, rc = 0;
  448. if (test_bit(HID_CLEAR_HALT, &usbhid->iofl)) {
  449. dev_dbg(&usbhid->intf->dev, "clear halt\n");
  450. rc = usb_clear_halt(hid_to_usb_dev(hid), usbhid->urbin->pipe);
  451. clear_bit(HID_CLEAR_HALT, &usbhid->iofl);
  452. hid_start_in(hid);
  453. }
  454. else if (test_bit(HID_RESET_PENDING, &usbhid->iofl)) {
  455. dev_dbg(&usbhid->intf->dev, "resetting device\n");
  456. rc = rc_lock = usb_lock_device_for_reset(hid_to_usb_dev(hid), usbhid->intf);
  457. if (rc_lock >= 0) {
  458. rc = usb_reset_composite_device(hid_to_usb_dev(hid), usbhid->intf);
  459. if (rc_lock)
  460. usb_unlock_device(hid_to_usb_dev(hid));
  461. }
  462. clear_bit(HID_RESET_PENDING, &usbhid->iofl);
  463. }
  464. switch (rc) {
  465. case 0:
  466. if (!test_bit(HID_IN_RUNNING, &usbhid->iofl))
  467. hid_io_error(hid);
  468. break;
  469. default:
  470. err("can't reset device, %s-%s/input%d, status %d",
  471. hid_to_usb_dev(hid)->bus->bus_name,
  472. hid_to_usb_dev(hid)->devpath,
  473. usbhid->ifnum, rc);
  474. /* FALLTHROUGH */
  475. case -EHOSTUNREACH:
  476. case -ENODEV:
  477. case -EINTR:
  478. break;
  479. }
  480. }
  481. /* Main I/O error handler */
  482. static void hid_io_error(struct hid_device *hid)
  483. {
  484. unsigned long flags;
  485. struct usbhid_device *usbhid = hid->driver_data;
  486. spin_lock_irqsave(&usbhid->inlock, flags);
  487. /* Stop when disconnected */
  488. if (usb_get_intfdata(usbhid->intf) == NULL)
  489. goto done;
  490. /* If it has been a while since the last error, we'll assume
  491. * this a brand new error and reset the retry timeout. */
  492. if (time_after(jiffies, usbhid->stop_retry + HZ/2))
  493. usbhid->retry_delay = 0;
  494. /* When an error occurs, retry at increasing intervals */
  495. if (usbhid->retry_delay == 0) {
  496. usbhid->retry_delay = 13; /* Then 26, 52, 104, 104, ... */
  497. usbhid->stop_retry = jiffies + msecs_to_jiffies(1000);
  498. } else if (usbhid->retry_delay < 100)
  499. usbhid->retry_delay *= 2;
  500. if (time_after(jiffies, usbhid->stop_retry)) {
  501. /* Retries failed, so do a port reset */
  502. if (!test_and_set_bit(HID_RESET_PENDING, &usbhid->iofl)) {
  503. schedule_work(&usbhid->reset_work);
  504. goto done;
  505. }
  506. }
  507. mod_timer(&usbhid->io_retry,
  508. jiffies + msecs_to_jiffies(usbhid->retry_delay));
  509. done:
  510. spin_unlock_irqrestore(&usbhid->inlock, flags);
  511. }
  512. /*
  513. * Input interrupt completion handler.
  514. */
  515. static void hid_irq_in(struct urb *urb)
  516. {
  517. struct hid_device *hid = urb->context;
  518. struct usbhid_device *usbhid = hid->driver_data;
  519. int status;
  520. switch (urb->status) {
  521. case 0: /* success */
  522. usbhid->retry_delay = 0;
  523. hid_input_report(urb->context, HID_INPUT_REPORT,
  524. urb->transfer_buffer,
  525. urb->actual_length, 1);
  526. break;
  527. case -EPIPE: /* stall */
  528. clear_bit(HID_IN_RUNNING, &usbhid->iofl);
  529. set_bit(HID_CLEAR_HALT, &usbhid->iofl);
  530. schedule_work(&usbhid->reset_work);
  531. return;
  532. case -ECONNRESET: /* unlink */
  533. case -ENOENT:
  534. case -ESHUTDOWN: /* unplug */
  535. clear_bit(HID_IN_RUNNING, &usbhid->iofl);
  536. return;
  537. case -EILSEQ: /* protocol error or unplug */
  538. case -EPROTO: /* protocol error or unplug */
  539. case -ETIME: /* protocol error or unplug */
  540. case -ETIMEDOUT: /* Should never happen, but... */
  541. clear_bit(HID_IN_RUNNING, &usbhid->iofl);
  542. hid_io_error(hid);
  543. return;
  544. default: /* error */
  545. warn("input irq status %d received", urb->status);
  546. }
  547. status = usb_submit_urb(urb, GFP_ATOMIC);
  548. if (status) {
  549. clear_bit(HID_IN_RUNNING, &usbhid->iofl);
  550. if (status != -EPERM) {
  551. err("can't resubmit intr, %s-%s/input%d, status %d",
  552. hid_to_usb_dev(hid)->bus->bus_name,
  553. hid_to_usb_dev(hid)->devpath,
  554. usbhid->ifnum, status);
  555. hid_io_error(hid);
  556. }
  557. }
  558. }
  559. static int hid_submit_out(struct hid_device *hid)
  560. {
  561. struct hid_report *report;
  562. struct usbhid_device *usbhid = hid->driver_data;
  563. report = usbhid->out[usbhid->outtail];
  564. hid_output_report(report, usbhid->outbuf);
  565. usbhid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + 1 + (report->id > 0);
  566. usbhid->urbout->dev = hid_to_usb_dev(hid);
  567. dbg("submitting out urb");
  568. if (usb_submit_urb(usbhid->urbout, GFP_ATOMIC)) {
  569. err("usb_submit_urb(out) failed");
  570. return -1;
  571. }
  572. return 0;
  573. }
  574. static int hid_submit_ctrl(struct hid_device *hid)
  575. {
  576. struct hid_report *report;
  577. unsigned char dir;
  578. int len;
  579. struct usbhid_device *usbhid = hid->driver_data;
  580. report = usbhid->ctrl[usbhid->ctrltail].report;
  581. dir = usbhid->ctrl[usbhid->ctrltail].dir;
  582. len = ((report->size - 1) >> 3) + 1 + (report->id > 0);
  583. if (dir == USB_DIR_OUT) {
  584. hid_output_report(report, usbhid->ctrlbuf);
  585. usbhid->urbctrl->pipe = usb_sndctrlpipe(hid_to_usb_dev(hid), 0);
  586. usbhid->urbctrl->transfer_buffer_length = len;
  587. } else {
  588. int maxpacket, padlen;
  589. usbhid->urbctrl->pipe = usb_rcvctrlpipe(hid_to_usb_dev(hid), 0);
  590. maxpacket = usb_maxpacket(hid_to_usb_dev(hid), usbhid->urbctrl->pipe, 0);
  591. if (maxpacket > 0) {
  592. padlen = (len + maxpacket - 1) / maxpacket;
  593. padlen *= maxpacket;
  594. if (padlen > usbhid->bufsize)
  595. padlen = usbhid->bufsize;
  596. } else
  597. padlen = 0;
  598. usbhid->urbctrl->transfer_buffer_length = padlen;
  599. }
  600. usbhid->urbctrl->dev = hid_to_usb_dev(hid);
  601. usbhid->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | dir;
  602. usbhid->cr->bRequest = (dir == USB_DIR_OUT) ? HID_REQ_SET_REPORT : HID_REQ_GET_REPORT;
  603. usbhid->cr->wValue = cpu_to_le16(((report->type + 1) << 8) | report->id);
  604. usbhid->cr->wIndex = cpu_to_le16(usbhid->ifnum);
  605. usbhid->cr->wLength = cpu_to_le16(len);
  606. dbg("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u",
  607. usbhid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : "Get_Report",
  608. usbhid->cr->wValue, usbhid->cr->wIndex, usbhid->cr->wLength);
  609. if (usb_submit_urb(usbhid->urbctrl, GFP_ATOMIC)) {
  610. err("usb_submit_urb(ctrl) failed");
  611. return -1;
  612. }
  613. return 0;
  614. }
  615. /*
  616. * Output interrupt completion handler.
  617. */
  618. static void hid_irq_out(struct urb *urb)
  619. {
  620. struct hid_device *hid = urb->context;
  621. struct usbhid_device *usbhid = hid->driver_data;
  622. unsigned long flags;
  623. int unplug = 0;
  624. switch (urb->status) {
  625. case 0: /* success */
  626. break;
  627. case -ESHUTDOWN: /* unplug */
  628. unplug = 1;
  629. case -EILSEQ: /* protocol error or unplug */
  630. case -EPROTO: /* protocol error or unplug */
  631. case -ECONNRESET: /* unlink */
  632. case -ENOENT:
  633. break;
  634. default: /* error */
  635. warn("output irq status %d received", urb->status);
  636. }
  637. spin_lock_irqsave(&usbhid->outlock, flags);
  638. if (unplug)
  639. usbhid->outtail = usbhid->outhead;
  640. else
  641. usbhid->outtail = (usbhid->outtail + 1) & (HID_OUTPUT_FIFO_SIZE - 1);
  642. if (usbhid->outhead != usbhid->outtail) {
  643. if (hid_submit_out(hid)) {
  644. clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
  645. wake_up(&hid->wait);
  646. }
  647. spin_unlock_irqrestore(&usbhid->outlock, flags);
  648. return;
  649. }
  650. clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
  651. spin_unlock_irqrestore(&usbhid->outlock, flags);
  652. wake_up(&hid->wait);
  653. }
  654. /*
  655. * Control pipe completion handler.
  656. */
  657. static void hid_ctrl(struct urb *urb)
  658. {
  659. struct hid_device *hid = urb->context;
  660. struct usbhid_device *usbhid = hid->driver_data;
  661. unsigned long flags;
  662. int unplug = 0;
  663. spin_lock_irqsave(&usbhid->ctrllock, flags);
  664. switch (urb->status) {
  665. case 0: /* success */
  666. if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_IN)
  667. hid_input_report(urb->context, usbhid->ctrl[usbhid->ctrltail].report->type,
  668. urb->transfer_buffer, urb->actual_length, 0);
  669. break;
  670. case -ESHUTDOWN: /* unplug */
  671. unplug = 1;
  672. case -EILSEQ: /* protocol error or unplug */
  673. case -EPROTO: /* protocol error or unplug */
  674. case -ECONNRESET: /* unlink */
  675. case -ENOENT:
  676. case -EPIPE: /* report not available */
  677. break;
  678. default: /* error */
  679. warn("ctrl urb status %d received", urb->status);
  680. }
  681. if (unplug)
  682. usbhid->ctrltail = usbhid->ctrlhead;
  683. else
  684. usbhid->ctrltail = (usbhid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1);
  685. if (usbhid->ctrlhead != usbhid->ctrltail) {
  686. if (hid_submit_ctrl(hid)) {
  687. clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
  688. wake_up(&hid->wait);
  689. }
  690. spin_unlock_irqrestore(&usbhid->ctrllock, flags);
  691. return;
  692. }
  693. clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
  694. spin_unlock_irqrestore(&usbhid->ctrllock, flags);
  695. wake_up(&hid->wait);
  696. }
  697. void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir)
  698. {
  699. int head;
  700. unsigned long flags;
  701. struct usbhid_device *usbhid = hid->driver_data;
  702. if ((hid->quirks & HID_QUIRK_NOGET) && dir == USB_DIR_IN)
  703. return;
  704. if (usbhid->urbout && dir == USB_DIR_OUT && report->type == HID_OUTPUT_REPORT) {
  705. spin_lock_irqsave(&usbhid->outlock, flags);
  706. if ((head = (usbhid->outhead + 1) & (HID_OUTPUT_FIFO_SIZE - 1)) == usbhid->outtail) {
  707. spin_unlock_irqrestore(&usbhid->outlock, flags);
  708. warn("output queue full");
  709. return;
  710. }
  711. usbhid->out[usbhid->outhead] = report;
  712. usbhid->outhead = head;
  713. if (!test_and_set_bit(HID_OUT_RUNNING, &usbhid->iofl))
  714. if (hid_submit_out(hid))
  715. clear_bit(HID_OUT_RUNNING, &usbhid->iofl);
  716. spin_unlock_irqrestore(&usbhid->outlock, flags);
  717. return;
  718. }
  719. spin_lock_irqsave(&usbhid->ctrllock, flags);
  720. if ((head = (usbhid->ctrlhead + 1) & (HID_CONTROL_FIFO_SIZE - 1)) == usbhid->ctrltail) {
  721. spin_unlock_irqrestore(&usbhid->ctrllock, flags);
  722. warn("control queue full");
  723. return;
  724. }
  725. usbhid->ctrl[usbhid->ctrlhead].report = report;
  726. usbhid->ctrl[usbhid->ctrlhead].dir = dir;
  727. usbhid->ctrlhead = head;
  728. if (!test_and_set_bit(HID_CTRL_RUNNING, &usbhid->iofl))
  729. if (hid_submit_ctrl(hid))
  730. clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
  731. spin_unlock_irqrestore(&usbhid->ctrllock, flags);
  732. }
  733. static int usb_hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
  734. {
  735. struct hid_device *hid = dev->private;
  736. struct hid_field *field;
  737. int offset;
  738. if (type == EV_FF)
  739. return input_ff_event(dev, type, code, value);
  740. if (type != EV_LED)
  741. return -1;
  742. if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) {
  743. warn("event field not found");
  744. return -1;
  745. }
  746. hid_set_field(field, offset, value);
  747. usbhid_submit_report(hid, field->report, USB_DIR_OUT);
  748. return 0;
  749. }
  750. int usbhid_wait_io(struct hid_device *hid)
  751. {
  752. struct usbhid_device *usbhid = hid->driver_data;
  753. if (!wait_event_timeout(hid->wait, (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl) &&
  754. !test_bit(HID_OUT_RUNNING, &usbhid->iofl)),
  755. 10*HZ)) {
  756. dbg("timeout waiting for ctrl or out queue to clear");
  757. return -1;
  758. }
  759. return 0;
  760. }
  761. static int hid_set_idle(struct usb_device *dev, int ifnum, int report, int idle)
  762. {
  763. return usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
  764. HID_REQ_SET_IDLE, USB_TYPE_CLASS | USB_RECIP_INTERFACE, (idle << 8) | report,
  765. ifnum, NULL, 0, USB_CTRL_SET_TIMEOUT);
  766. }
  767. static int hid_get_class_descriptor(struct usb_device *dev, int ifnum,
  768. unsigned char type, void *buf, int size)
  769. {
  770. int result, retries = 4;
  771. memset(buf, 0, size);
  772. do {
  773. result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
  774. USB_REQ_GET_DESCRIPTOR, USB_RECIP_INTERFACE | USB_DIR_IN,
  775. (type << 8), ifnum, buf, size, USB_CTRL_GET_TIMEOUT);
  776. retries--;
  777. } while (result < size && retries);
  778. return result;
  779. }
  780. int usbhid_open(struct hid_device *hid)
  781. {
  782. ++hid->open;
  783. if (hid_start_in(hid))
  784. hid_io_error(hid);
  785. return 0;
  786. }
  787. void usbhid_close(struct hid_device *hid)
  788. {
  789. struct usbhid_device *usbhid = hid->driver_data;
  790. if (!--hid->open)
  791. usb_kill_urb(usbhid->urbin);
  792. }
  793. /*
  794. * Initialize all reports
  795. */
  796. void usbhid_init_reports(struct hid_device *hid)
  797. {
  798. struct hid_report *report;
  799. struct usbhid_device *usbhid = hid->driver_data;
  800. int err, ret;
  801. list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list)
  802. usbhid_submit_report(hid, report, USB_DIR_IN);
  803. list_for_each_entry(report, &hid->report_enum[HID_FEATURE_REPORT].report_list, list)
  804. usbhid_submit_report(hid, report, USB_DIR_IN);
  805. err = 0;
  806. ret = usbhid_wait_io(hid);
  807. while (ret) {
  808. err |= ret;
  809. if (test_bit(HID_CTRL_RUNNING, &usbhid->iofl))
  810. usb_kill_urb(usbhid->urbctrl);
  811. if (test_bit(HID_OUT_RUNNING, &usbhid->iofl))
  812. usb_kill_urb(usbhid->urbout);
  813. ret = usbhid_wait_io(hid);
  814. }
  815. if (err)
  816. warn("timeout initializing reports");
  817. }
  818. /*
  819. * Reset LEDs which BIOS might have left on. For now, just NumLock (0x01).
  820. */
  821. static int hid_find_field_early(struct hid_device *hid, unsigned int page,
  822. unsigned int hid_code, struct hid_field **pfield)
  823. {
  824. struct hid_report *report;
  825. struct hid_field *field;
  826. struct hid_usage *usage;
  827. int i, j;
  828. list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
  829. for (i = 0; i < report->maxfield; i++) {
  830. field = report->field[i];
  831. for (j = 0; j < field->maxusage; j++) {
  832. usage = &field->usage[j];
  833. if ((usage->hid & HID_USAGE_PAGE) == page &&
  834. (usage->hid & 0xFFFF) == hid_code) {
  835. *pfield = field;
  836. return j;
  837. }
  838. }
  839. }
  840. }
  841. return -1;
  842. }
  843. static void usbhid_set_leds(struct hid_device *hid)
  844. {
  845. struct hid_field *field;
  846. int offset;
  847. if ((offset = hid_find_field_early(hid, HID_UP_LED, 0x01, &field)) != -1) {
  848. hid_set_field(field, offset, 0);
  849. usbhid_submit_report(hid, field->report, USB_DIR_OUT);
  850. }
  851. }
  852. /*
  853. * Traverse the supplied list of reports and find the longest
  854. */
  855. static void hid_find_max_report(struct hid_device *hid, unsigned int type, int *max)
  856. {
  857. struct hid_report *report;
  858. int size;
  859. list_for_each_entry(report, &hid->report_enum[type].report_list, list) {
  860. size = ((report->size - 1) >> 3) + 1;
  861. if (type == HID_INPUT_REPORT && hid->report_enum[type].numbered)
  862. size++;
  863. if (*max < size)
  864. *max = size;
  865. }
  866. }
  867. static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid)
  868. {
  869. struct usbhid_device *usbhid = hid->driver_data;
  870. if (!(usbhid->inbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->inbuf_dma)))
  871. return -1;
  872. if (!(usbhid->outbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->outbuf_dma)))
  873. return -1;
  874. if (!(usbhid->cr = usb_buffer_alloc(dev, sizeof(*(usbhid->cr)), GFP_ATOMIC, &usbhid->cr_dma)))
  875. return -1;
  876. if (!(usbhid->ctrlbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->ctrlbuf_dma)))
  877. return -1;
  878. return 0;
  879. }
  880. static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid)
  881. {
  882. struct usbhid_device *usbhid = hid->driver_data;
  883. if (usbhid->inbuf)
  884. usb_buffer_free(dev, usbhid->bufsize, usbhid->inbuf, usbhid->inbuf_dma);
  885. if (usbhid->outbuf)
  886. usb_buffer_free(dev, usbhid->bufsize, usbhid->outbuf, usbhid->outbuf_dma);
  887. if (usbhid->cr)
  888. usb_buffer_free(dev, sizeof(*(usbhid->cr)), usbhid->cr, usbhid->cr_dma);
  889. if (usbhid->ctrlbuf)
  890. usb_buffer_free(dev, usbhid->bufsize, usbhid->ctrlbuf, usbhid->ctrlbuf_dma);
  891. }
  892. /*
  893. * Cherry Cymotion keyboard have an invalid HID report descriptor,
  894. * that needs fixing before we can parse it.
  895. */
  896. static void hid_fixup_cymotion_descriptor(char *rdesc, int rsize)
  897. {
  898. if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) {
  899. info("Fixing up Cherry Cymotion report descriptor");
  900. rdesc[11] = rdesc[16] = 0xff;
  901. rdesc[12] = rdesc[17] = 0x03;
  902. }
  903. }
  904. /*
  905. * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
  906. * to "operational". Without this, the ps3 controller will not report any
  907. * events.
  908. */
  909. static void hid_fixup_sony_ps3_controller(struct usb_device *dev, int ifnum)
  910. {
  911. int result;
  912. char *buf = kmalloc(18, GFP_KERNEL);
  913. if (!buf)
  914. return;
  915. result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
  916. HID_REQ_GET_REPORT,
  917. USB_DIR_IN | USB_TYPE_CLASS |
  918. USB_RECIP_INTERFACE,
  919. (3 << 8) | 0xf2, ifnum, buf, 17,
  920. USB_CTRL_GET_TIMEOUT);
  921. if (result < 0)
  922. err("%s failed: %d\n", __func__, result);
  923. kfree(buf);
  924. }
  925. /*
  926. * Certain Logitech keyboards send in report #3 keys which are far
  927. * above the logical maximum described in descriptor. This extends
  928. * the original value of 0x28c of logical maximum to 0x104d
  929. */
  930. static void hid_fixup_logitech_descriptor(unsigned char *rdesc, int rsize)
  931. {
  932. if (rsize >= 90 && rdesc[83] == 0x26
  933. && rdesc[84] == 0x8c
  934. && rdesc[85] == 0x02) {
  935. info("Fixing up Logitech keyboard report descriptor");
  936. rdesc[84] = rdesc[89] = 0x4d;
  937. rdesc[85] = rdesc[90] = 0x10;
  938. }
  939. }
  940. static struct hid_device *usb_hid_configure(struct usb_interface *intf)
  941. {
  942. struct usb_host_interface *interface = intf->cur_altsetting;
  943. struct usb_device *dev = interface_to_usbdev (intf);
  944. struct hid_descriptor *hdesc;
  945. struct hid_device *hid;
  946. __u32 quirks = 0;
  947. unsigned rsize = 0;
  948. char *rdesc;
  949. int n, len, insize = 0;
  950. struct usbhid_device *usbhid;
  951. /* Ignore all Wacom devices */
  952. if (le16_to_cpu(dev->descriptor.idVendor) == USB_VENDOR_ID_WACOM)
  953. return NULL;
  954. /* ignore all Code Mercenaries IOWarrior devices */
  955. if (le16_to_cpu(dev->descriptor.idVendor) == USB_VENDOR_ID_CODEMERCS)
  956. if (le16_to_cpu(dev->descriptor.idProduct) >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
  957. le16_to_cpu(dev->descriptor.idProduct) <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
  958. return NULL;
  959. for (n = 0; hid_blacklist[n].idVendor; n++)
  960. if ((hid_blacklist[n].idVendor == le16_to_cpu(dev->descriptor.idVendor)) &&
  961. (hid_blacklist[n].idProduct == le16_to_cpu(dev->descriptor.idProduct)))
  962. quirks = hid_blacklist[n].quirks;
  963. /* Many keyboards and mice don't like to be polled for reports,
  964. * so we will always set the HID_QUIRK_NOGET flag for them. */
  965. if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT) {
  966. if (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_KEYBOARD ||
  967. interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE)
  968. quirks |= HID_QUIRK_NOGET;
  969. }
  970. if (quirks & HID_QUIRK_IGNORE)
  971. return NULL;
  972. if ((quirks & HID_QUIRK_IGNORE_MOUSE) &&
  973. (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE))
  974. return NULL;
  975. if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) &&
  976. (!interface->desc.bNumEndpoints ||
  977. usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) {
  978. dbg("class descriptor not present\n");
  979. return NULL;
  980. }
  981. for (n = 0; n < hdesc->bNumDescriptors; n++)
  982. if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT)
  983. rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength);
  984. if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) {
  985. dbg("weird size of report descriptor (%u)", rsize);
  986. return NULL;
  987. }
  988. if (!(rdesc = kmalloc(rsize, GFP_KERNEL))) {
  989. dbg("couldn't allocate rdesc memory");
  990. return NULL;
  991. }
  992. hid_set_idle(dev, interface->desc.bInterfaceNumber, 0, 0);
  993. if ((n = hid_get_class_descriptor(dev, interface->desc.bInterfaceNumber, HID_DT_REPORT, rdesc, rsize)) < 0) {
  994. dbg("reading report descriptor failed");
  995. kfree(rdesc);
  996. return NULL;
  997. }
  998. if ((quirks & HID_QUIRK_CYMOTION))
  999. hid_fixup_cymotion_descriptor(rdesc, rsize);
  1000. if (quirks & HID_QUIRK_LOGITECH_DESCRIPTOR)
  1001. hid_fixup_logitech_descriptor(rdesc, rsize);
  1002. #ifdef CONFIG_HID_DEBUG
  1003. printk(KERN_DEBUG __FILE__ ": report descriptor (size %u, read %d) = ", rsize, n);
  1004. for (n = 0; n < rsize; n++)
  1005. printk(" %02x", (unsigned char) rdesc[n]);
  1006. printk("\n");
  1007. #endif
  1008. if (!(hid = hid_parse_report(rdesc, n))) {
  1009. dbg("parsing report descriptor failed");
  1010. kfree(rdesc);
  1011. return NULL;
  1012. }
  1013. kfree(rdesc);
  1014. hid->quirks = quirks;
  1015. if (!(usbhid = kzalloc(sizeof(struct usbhid_device), GFP_KERNEL)))
  1016. goto fail;
  1017. hid->driver_data = usbhid;
  1018. usbhid->hid = hid;
  1019. usbhid->bufsize = HID_MIN_BUFFER_SIZE;
  1020. hid_find_max_report(hid, HID_INPUT_REPORT, &usbhid->bufsize);
  1021. hid_find_max_report(hid, HID_OUTPUT_REPORT, &usbhid->bufsize);
  1022. hid_find_max_report(hid, HID_FEATURE_REPORT, &usbhid->bufsize);
  1023. if (usbhid->bufsize > HID_MAX_BUFFER_SIZE)
  1024. usbhid->bufsize = HID_MAX_BUFFER_SIZE;
  1025. hid_find_max_report(hid, HID_INPUT_REPORT, &insize);
  1026. if (insize > HID_MAX_BUFFER_SIZE)
  1027. insize = HID_MAX_BUFFER_SIZE;
  1028. if (hid_alloc_buffers(dev, hid)) {
  1029. hid_free_buffers(dev, hid);
  1030. goto fail;
  1031. }
  1032. for (n = 0; n < interface->desc.bNumEndpoints; n++) {
  1033. struct usb_endpoint_descriptor *endpoint;
  1034. int pipe;
  1035. int interval;
  1036. endpoint = &interface->endpoint[n].desc;
  1037. if ((endpoint->bmAttributes & 3) != 3) /* Not an interrupt endpoint */
  1038. continue;
  1039. interval = endpoint->bInterval;
  1040. /* Change the polling interval of mice. */
  1041. if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0)
  1042. interval = hid_mousepoll_interval;
  1043. if (usb_endpoint_dir_in(endpoint)) {
  1044. if (usbhid->urbin)
  1045. continue;
  1046. if (!(usbhid->urbin = usb_alloc_urb(0, GFP_KERNEL)))
  1047. goto fail;
  1048. pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
  1049. usb_fill_int_urb(usbhid->urbin, dev, pipe, usbhid->inbuf, insize,
  1050. hid_irq_in, hid, interval);
  1051. usbhid->urbin->transfer_dma = usbhid->inbuf_dma;
  1052. usbhid->urbin->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
  1053. } else {
  1054. if (usbhid->urbout)
  1055. continue;
  1056. if (!(usbhid->urbout = usb_alloc_urb(0, GFP_KERNEL)))
  1057. goto fail;
  1058. pipe = usb_sndintpipe(dev, endpoint->bEndpointAddress);
  1059. usb_fill_int_urb(usbhid->urbout, dev, pipe, usbhid->outbuf, 0,
  1060. hid_irq_out, hid, interval);
  1061. usbhid->urbout->transfer_dma = usbhid->outbuf_dma;
  1062. usbhid->urbout->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
  1063. }
  1064. }
  1065. if (!usbhid->urbin) {
  1066. err("couldn't find an input interrupt endpoint");
  1067. goto fail;
  1068. }
  1069. init_waitqueue_head(&hid->wait);
  1070. INIT_WORK(&usbhid->reset_work, hid_reset);
  1071. setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid);
  1072. spin_lock_init(&usbhid->inlock);
  1073. spin_lock_init(&usbhid->outlock);
  1074. spin_lock_init(&usbhid->ctrllock);
  1075. hid->version = le16_to_cpu(hdesc->bcdHID);
  1076. hid->country = hdesc->bCountryCode;
  1077. hid->dev = &intf->dev;
  1078. usbhid->intf = intf;
  1079. usbhid->ifnum = interface->desc.bInterfaceNumber;
  1080. hid->name[0] = 0;
  1081. if (dev->manufacturer)
  1082. strlcpy(hid->name, dev->manufacturer, sizeof(hid->name));
  1083. if (dev->product) {
  1084. if (dev->manufacturer)
  1085. strlcat(hid->name, " ", sizeof(hid->name));
  1086. strlcat(hid->name, dev->product, sizeof(hid->name));
  1087. }
  1088. if (!strlen(hid->name))
  1089. snprintf(hid->name, sizeof(hid->name), "HID %04x:%04x",
  1090. le16_to_cpu(dev->descriptor.idVendor),
  1091. le16_to_cpu(dev->descriptor.idProduct));
  1092. hid->bus = BUS_USB;
  1093. hid->vendor = le16_to_cpu(dev->descriptor.idVendor);
  1094. hid->product = le16_to_cpu(dev->descriptor.idProduct);
  1095. usb_make_path(dev, hid->phys, sizeof(hid->phys));
  1096. strlcat(hid->phys, "/input", sizeof(hid->phys));
  1097. len = strlen(hid->phys);
  1098. if (len < sizeof(hid->phys) - 1)
  1099. snprintf(hid->phys + len, sizeof(hid->phys) - len,
  1100. "%d", intf->altsetting[0].desc.bInterfaceNumber);
  1101. if (usb_string(dev, dev->descriptor.iSerialNumber, hid->uniq, 64) <= 0)
  1102. hid->uniq[0] = 0;
  1103. usbhid->urbctrl = usb_alloc_urb(0, GFP_KERNEL);
  1104. if (!usbhid->urbctrl)
  1105. goto fail;
  1106. usb_fill_control_urb(usbhid->urbctrl, dev, 0, (void *) usbhid->cr,
  1107. usbhid->ctrlbuf, 1, hid_ctrl, hid);
  1108. usbhid->urbctrl->setup_dma = usbhid->cr_dma;
  1109. usbhid->urbctrl->transfer_dma = usbhid->ctrlbuf_dma;
  1110. usbhid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP);
  1111. hid->hidinput_input_event = usb_hidinput_input_event;
  1112. hid->hid_open = usbhid_open;
  1113. hid->hid_close = usbhid_close;
  1114. #ifdef CONFIG_USB_HIDDEV
  1115. hid->hiddev_hid_event = hiddev_hid_event;
  1116. hid->hiddev_report_event = hiddev_report_event;
  1117. #endif
  1118. return hid;
  1119. fail:
  1120. usb_free_urb(usbhid->urbin);
  1121. usb_free_urb(usbhid->urbout);
  1122. usb_free_urb(usbhid->urbctrl);
  1123. hid_free_buffers(dev, hid);
  1124. hid_free_device(hid);
  1125. return NULL;
  1126. }
  1127. static void hid_disconnect(struct usb_interface *intf)
  1128. {
  1129. struct hid_device *hid = usb_get_intfdata (intf);
  1130. struct usbhid_device *usbhid;
  1131. if (!hid)
  1132. return;
  1133. usbhid = hid->driver_data;
  1134. spin_lock_irq(&usbhid->inlock); /* Sync with error handler */
  1135. usb_set_intfdata(intf, NULL);
  1136. spin_unlock_irq(&usbhid->inlock);
  1137. usb_kill_urb(usbhid->urbin);
  1138. usb_kill_urb(usbhid->urbout);
  1139. usb_kill_urb(usbhid->urbctrl);
  1140. del_timer_sync(&usbhid->io_retry);
  1141. flush_scheduled_work();
  1142. if (hid->claimed & HID_CLAIMED_INPUT)
  1143. hidinput_disconnect(hid);
  1144. if (hid->claimed & HID_CLAIMED_HIDDEV)
  1145. hiddev_disconnect(hid);
  1146. usb_free_urb(usbhid->urbin);
  1147. usb_free_urb(usbhid->urbctrl);
  1148. usb_free_urb(usbhid->urbout);
  1149. hid_free_buffers(hid_to_usb_dev(hid), hid);
  1150. hid_free_device(hid);
  1151. }
  1152. static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id)
  1153. {
  1154. struct hid_device *hid;
  1155. char path[64];
  1156. int i;
  1157. char *c;
  1158. dbg("HID probe called for ifnum %d",
  1159. intf->altsetting->desc.bInterfaceNumber);
  1160. if (!(hid = usb_hid_configure(intf)))
  1161. return -ENODEV;
  1162. usbhid_init_reports(hid);
  1163. hid_dump_device(hid);
  1164. if (hid->quirks & HID_QUIRK_RESET_LEDS)
  1165. usbhid_set_leds(hid);
  1166. if (!hidinput_connect(hid))
  1167. hid->claimed |= HID_CLAIMED_INPUT;
  1168. if (!hiddev_connect(hid))
  1169. hid->claimed |= HID_CLAIMED_HIDDEV;
  1170. usb_set_intfdata(intf, hid);
  1171. if (!hid->claimed) {
  1172. printk ("HID device not claimed by input or hiddev\n");
  1173. hid_disconnect(intf);
  1174. return -ENODEV;
  1175. }
  1176. if ((hid->claimed & HID_CLAIMED_INPUT))
  1177. hid_ff_init(hid);
  1178. if (hid->quirks & HID_QUIRK_SONY_PS3_CONTROLLER)
  1179. hid_fixup_sony_ps3_controller(interface_to_usbdev(intf),
  1180. intf->cur_altsetting->desc.bInterfaceNumber);
  1181. printk(KERN_INFO);
  1182. if (hid->claimed & HID_CLAIMED_INPUT)
  1183. printk("input");
  1184. if (hid->claimed == (HID_CLAIMED_INPUT | HID_CLAIMED_HIDDEV))
  1185. printk(",");
  1186. if (hid->claimed & HID_CLAIMED_HIDDEV)
  1187. printk("hiddev%d", hid->minor);
  1188. c = "Device";
  1189. for (i = 0; i < hid->maxcollection; i++) {
  1190. if (hid->collection[i].type == HID_COLLECTION_APPLICATION &&
  1191. (hid->collection[i].usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
  1192. (hid->collection[i].usage & 0xffff) < ARRAY_SIZE(hid_types)) {
  1193. c = hid_types[hid->collection[i].usage & 0xffff];
  1194. break;
  1195. }
  1196. }
  1197. usb_make_path(interface_to_usbdev(intf), path, 63);
  1198. printk(": USB HID v%x.%02x %s [%s] on %s\n",
  1199. hid->version >> 8, hid->version & 0xff, c, hid->name, path);
  1200. return 0;
  1201. }
  1202. static int hid_suspend(struct usb_interface *intf, pm_message_t message)
  1203. {
  1204. struct hid_device *hid = usb_get_intfdata (intf);
  1205. struct usbhid_device *usbhid = hid->driver_data;
  1206. spin_lock_irq(&usbhid->inlock); /* Sync with error handler */
  1207. set_bit(HID_SUSPENDED, &usbhid->iofl);
  1208. spin_unlock_irq(&usbhid->inlock);
  1209. del_timer(&usbhid->io_retry);
  1210. usb_kill_urb(usbhid->urbin);
  1211. dev_dbg(&intf->dev, "suspend\n");
  1212. return 0;
  1213. }
  1214. static int hid_resume(struct usb_interface *intf)
  1215. {
  1216. struct hid_device *hid = usb_get_intfdata (intf);
  1217. struct usbhid_device *usbhid = hid->driver_data;
  1218. int status;
  1219. clear_bit(HID_SUSPENDED, &usbhid->iofl);
  1220. usbhid->retry_delay = 0;
  1221. status = hid_start_in(hid);
  1222. dev_dbg(&intf->dev, "resume status %d\n", status);
  1223. return status;
  1224. }
  1225. /* Treat USB reset pretty much the same as suspend/resume */
  1226. static void hid_pre_reset(struct usb_interface *intf)
  1227. {
  1228. /* FIXME: What if the interface is already suspended? */
  1229. hid_suspend(intf, PMSG_ON);
  1230. }
  1231. static void hid_post_reset(struct usb_interface *intf)
  1232. {
  1233. struct usb_device *dev = interface_to_usbdev (intf);
  1234. hid_set_idle(dev, intf->cur_altsetting->desc.bInterfaceNumber, 0, 0);
  1235. /* FIXME: Any more reinitialization needed? */
  1236. hid_resume(intf);
  1237. }
  1238. static struct usb_device_id hid_usb_ids [] = {
  1239. { .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS,
  1240. .bInterfaceClass = USB_INTERFACE_CLASS_HID },
  1241. { } /* Terminating entry */
  1242. };
  1243. MODULE_DEVICE_TABLE (usb, hid_usb_ids);
  1244. static struct usb_driver hid_driver = {
  1245. .name = "usbhid",
  1246. .probe = hid_probe,
  1247. .disconnect = hid_disconnect,
  1248. .suspend = hid_suspend,
  1249. .resume = hid_resume,
  1250. .pre_reset = hid_pre_reset,
  1251. .post_reset = hid_post_reset,
  1252. .id_table = hid_usb_ids,
  1253. };
  1254. static int __init hid_init(void)
  1255. {
  1256. int retval;
  1257. retval = hiddev_init();
  1258. if (retval)
  1259. goto hiddev_init_fail;
  1260. retval = usb_register(&hid_driver);
  1261. if (retval)
  1262. goto usb_register_fail;
  1263. info(DRIVER_VERSION ":" DRIVER_DESC);
  1264. return 0;
  1265. usb_register_fail:
  1266. hiddev_exit();
  1267. hiddev_init_fail:
  1268. return retval;
  1269. }
  1270. static void __exit hid_exit(void)
  1271. {
  1272. usb_deregister(&hid_driver);
  1273. hiddev_exit();
  1274. }
  1275. module_init(hid_init);
  1276. module_exit(hid_exit);
  1277. MODULE_AUTHOR(DRIVER_AUTHOR);
  1278. MODULE_DESCRIPTION(DRIVER_DESC);
  1279. MODULE_LICENSE(DRIVER_LICENSE);